How Common Is the Last Name Dunphy?
An estimated 4,165 people in the United States share the surname Dunphy. That's about 1 in 80,647 Americans. This data comes from the 2010 U.S. Census Bureau surname frequency tables.
This page covers the Dunphy surname's frequency in the U.S. population, its rank among all American surnames, and a breakdown of ancestry and ethnicity data from the Census. You can also check how many people share any first + last name combination involving Dunphy.
Estimated Americans with this Surname
4,165
About 1 in 80,647 people in the U.S.
Census Rank
#8,928
Frequency Rate
1.24
per 100,000 people
Census Count
3,666
2010 Census
Data Source
2010
U.S. Census Bureau
Ancestry and Ethnicity for Dunphy
The Dunphy surname is most commonly associated with people who identify as White (95.12%). The next largest groups are Hispanic (2.29%) and Two or More Races (1.50%).
Self-reported race and ethnicity from the 2010 U.S. Census Bureau surname tables. Some categories may be suppressed for privacy when sample sizes are small.
First Name + Dunphy Combinations
How many people share a full name with Dunphy as the last name? Click a combination below to see the estimate, or search any pairing.
Dunphy Surname: Questions and Answers
How common is the last name Dunphy?
Dunphy is the #8,928 most common surname in the United States, with an estimated 4,165 people sharing this last name. It appears at a rate of 1.24 per 100,000 Americans.
What ethnicity is the surname Dunphy?
The Dunphy surname is most commonly associated with people who identify as White (95.12%). The next largest groups are Hispanic (2.29%) and Two or More Races (1.50%). This data comes from the 2010 U.S. Census Bureau surname tables, which include self-reported race and ethnicity breakdowns.
How many people named [First Name] Dunphy are there?
We can estimate any first + last name combination. Popular examples: Michael Dunphy, James Dunphy, John Dunphy. Search any combination on our homepage.
Where does this surname data come from?
Surname frequency data comes from the 2010 U.S. Census Bureau decennial surname tables. These list every surname appearing in the Census along with frequency rates and demographic breakdowns. Full methodology.
Search for a full name combination